2018 Guide to Effective Proxies

20 6 TH EDITION | GUIDE TO EFFECTIVE PROXIES NIELSEN HOLDINGS PLC ONEOK PARSLEY ENERGY PAYCHEX, INC. PROXY STATEMENT NIELSEN HOLDINGS PLC Annual General Meeting of Shareholders May 22, 2018 | 9:00 a.m. (Eastern Time) Notice of Annual Meeting and Proxy Statement Annual Meeting of Shareholders Wednesday, May 23, 2018 911 Panorama Trail South Rochester, New York 14625 twitter.com/paychex facebook.com/paychex linkedin.com/compan y/paychex paychex.com Paychex Shapes Bolder, Brighter Futures for Businesses 2017 P R O X Y S T A T E M E N T AND NOTICE OF ANNUAL MEETING OF STOCKHOLDERS Compliance Confidence Mobile Solutions Scalable & agile Growing the business getting it right HR Centric NOTICE OF ANNUAL MEETING OF STOCKHOLDERS AND PROXY STATEMENT 2018